Brass Single End Clock Key #8 (4.25mm)

Brass Single End Clock Key #8 (4.25mm) for mainspring winding & clock repair. I likely have several of these so the one you get may differ slightly from the images. I have lots of clock keys and it's a pain to list them all so if you need something specific let me know. I specialize is hard to find watch & clock parts and all parts are unconditionally guaranteed. Images do an adequate job of representing the item which I think looks better than the images suggest.